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[oweals/opkg-lede.git] / libopkg / hash_table.h

diff --git a/libopkg/hash_table.h b/libopkg/hash_table.h
index 388a9669171fe77a7ca3637ad2d1029e0c954f31..9fa926fa4cd8ece8d6d3eba1dec2c2ae20898a6a 100644 (file)
--- a/libopkg/hash_table.h
+++ b/libopkg/hash_table.h
@@ -22,7 +22,7 @@ typedef struct hash_entry hash_entry_t;
 typedef struct hash_table hash_table_t;
 
 struct hash_entry {
-  const char * key;
+  char * key;
   void * data;
   struct hash_entry * next;
 };
@@ -30,15 +30,22 @@ struct hash_entry {
 struct hash_table {
   const char *name; 
   hash_entry_t * entries;  
-  int n_entries; /* number of buckets */
-  int n_elements;
-  const char * (*hash_entry_key)(void * data);
+  unsigned int n_buckets;
+  unsigned int n_elements;
+
+  /* useful stats */
+  unsigned int n_used_buckets;
+  unsigned int n_collisions;
+  unsigned int max_bucket_len;
+  unsigned int n_hits, n_misses;
 };
 
-int hash_table_init(const char *name, hash_table_t *hash, int len);
+void hash_table_init(const char *name, hash_table_t *hash, int len);
 void hash_table_deinit(hash_table_t *hash);
+void hash_print_stats(hash_table_t *hash);
 void *hash_table_get(hash_table_t *hash, const char *key);
 int hash_table_insert(hash_table_t *hash, const char *key, void *value);
+int hash_table_remove(hash_table_t *has, const char *key);
 void hash_table_foreach(hash_table_t *hash, void (*f)(const char *key, void *entry, void *data), void *data);
 
 #endif /* _HASH_TABLE_H_ */